header {
  z-index: 999;
  position: fixed;
  top: 0;
  left: 0;
  text-align: center;
  width: 100%;
  height: 30.4vw;
  background-color: #fff;
}
header .nav {
  height: 11.7333vw;
  font-weight: 700;
  line-height: 11.7333vw;
}
header .wo {
  width: 100%;
  height: 18.6667vw;
  position: relative;
}
header .wo .sun {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 95.2vw;
  height: 12.5333vw;
}
header .wo .sun .icon-sousuo {
  position: absolute;
  left: 30.9333vw;
  top: 3.4667vw;
  font-size: 5.3333vw;
}
header .wo .sun input {
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 100%;
  color: #6d6d6d;
  font-size: 5.3333vw;
  border-radius: 6.1333vw;
  background-color: #f7f7f7;
}
footer {
  z-index: 999;
  display: flex;
  justify-content: space-around;
  align-items: center;
  position: fixed;
  left: 0;
  bottom: 0;
  border-top: 0.2667vw solid rgba(0, 0, 0, 0.33);
  width: 100%;
  height: 13.3333vw;
  background-color: #fff;
}
footer a {
  text-align: center;
}
footer a .iconfont {
  font-size: 5.8667vw;
}
footer a p {
  font-size: 2.6667vw;
}
footer a:nth-child(2) {
  color: #fa2209;
}
.box {
  margin: 30.4vw 0 13.3333vw;
  display: flex;
}
.box .mask {
  width: 22.9333vw;
  height: 17.8667vw;
}
.box .mask span {
  float: left;
  flex-wrap: wrap;
  text-align: center;
  line-height: 17.8667vw;
  width: 22.9333vw;
  height: 17.8667vw;
  background-color: #f8f8f8;
}
.box .mask .pink {
  background-color: #fff;
  color: #fa2209;
}
.box .mian {
  flex: 1;
  float: right;
  display: flex;
  flex-wrap: wrap;
  text-align: center;
  align-content: flex-start;
}
.box .mian a {
  width: 33%;
  height: 33.8667vw;
}
.box .mian a img {
  margin-top: 3.4667vw;
  width: 17.8667vw;
  height: 17.8667vw;
}
.box .mian a p {
  font-size: 5.0667vw;
  color: #444;
  margin-bottom: 5.8667vw;
}
